*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial,Helvetica,sans-serif;
}

body{
    background:#f4f6f9;
    color:#222;
}

/* HEADER */

header{
    background:#0b5ed7;
    color:#fff;
    box-shadow:0 2px 10px rgba(0,0,0,.15);
}

.top{
    max-width:1400px;
    margin:auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px;
    gap:20px;
}

.logo a{
    color:#fff;
    font-size:32px;
    font-weight:bold;
    text-decoration:none;
}

.buscador{
    flex:1;
}

.buscador form{
    display:flex;
}

.buscador input{
    width:100%;
    padding:12px;
    border:none;
    border-radius:6px 0 0 6px;
    outline:none;
}

.buscador button{
    width:55px;
    border:none;
    background:#198754;
    color:#fff;
    cursor:pointer;
    border-radius:0 6px 6px 0;
}

.acciones a{
    color:#fff;
    text-decoration:none;
    margin-left:20px;
    font-weight:bold;
}

/* MENU */

nav{
    background:#084298;
}

nav ul{
    max-width:1400px;
    margin:auto;
    list-style:none;
    display:flex;
    flex-wrap:wrap;
}

nav li a{
    display:block;
    color:#fff;
    text-decoration:none;
    padding:15px 20px;
}

nav li a:hover{
    background:#0d6efd;
}

/* CONTENEDOR */

.container{
    max-width:1400px;
    margin:auto;
    padding:20px;
}

/* BANNER */

.banner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:#fff;
    border-radius:10px;
    padding:30px;
    margin-bottom:30px;
    box-shadow:0 3px 12px rgba(0,0,0,.08);
}

.banner img{
    width:45%;
    border-radius:10px;
}

.banner h1{
    font-size:40px;
    color:#0b5ed7;
    margin-bottom:15px;
}

.banner p{
    font-size:18px;
    color:#555;
}

/* PRODUCTOS */

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
    gap:20px;
}

.card{
    background:#fff;
    border-radius:10px;
    overflow:hidden;
    box-shadow:0 3px 10px rgba(0,0,0,.08);
    transition:.25s;
}

.card:hover{
    transform:translateY(-5px);
}

.foto{
    width:100%;
    height:220px;
    object-fit:contain;
    background:#fff;
    padding:15px;
}

.card h3{
    font-size:15px;
    padding:15px;
    height:70px;
    overflow:hidden;
}

.precio{
    color:#198754;
    font-size:24px;
    font-weight:bold;
    padding:0 15px 15px;
}

.boton{
    display:block;
    text-align:center;
    margin:15px;
    padding:12px;
    background:#0d6efd;
    color:#fff;
    text-decoration:none;
    border-radius:6px;
}

.boton:hover{
    background:#084298;
}

/* FOOTER */

footer{
    margin-top:50px;
    background:#212529;
    color:#fff;
    text-align:center;
    padding:30px;
}

/* RESPONSIVE */

@media(max-width:900px){

.top{
    flex-direction:column;
}

.banner{
    flex-direction:column;
    text-align:center;
}

.banner img{
    width:100%;
    margin-top:20px;
}

nav ul{
    flex-direction:column;
}

}

.footer-contenido{
    max-width:1400px;
    margin:auto;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:40px;
    padding:40px 20px;
}

.footer-contenido h3{
    margin-bottom:15px;
}

.footer-contenido p,
.footer-contenido li{
    color:#d1d5db;
    line-height:28px;
}

.footer-contenido ul{
    list-style:none;
}

.footer-contenido a{
    color:#d1d5db;
    text-decoration:none;
}

.footer-contenido a:hover{
    color:white;
}

.copyright{
    text-align:center;
    border-top:1px solid #444;
    padding:20px;
    color:#bbb;
}